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Learn about your swollen armpits, including causes and common questions. Or get a personalized analysis of your swollen armpits from our A.I. health assistant. At Buoy, we build tools that help you know what’s wrong right now and how to get the right care.

Swollen Armpits Checker

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Your Swollen Armpits May Also be Known as:
Armpits are puffy
Armpits are swollen
Armpits feel puffy
Armpits feel swollen
Both armpits are puffy
Both armpits are swollen
Both armpits feel puffy
Both armpits feel swollen
Both underarms are puffy
Both underarms are swollen

Top 8 Swollen Armpits Causes

  1. 1.Cellulitis

    Armpit cellulitis is a skin infection that needs antibiotic treatment. Symptoms can be pain, redness, warmth and swelling of the affected area.

    You should seek care at your primary care physician or an urgent care within a day or two, to start antibiotic treatment and to prevent the infection from spreading to other parts of your body.

    Rarity:
    Uncommon
    Top Symptoms:
    armpit pain, armpit redness, swollen armpit
    Symptoms that always occur with cellulitis:
    armpit redness
    Urgency:
    Primary care doctor
  2. 2.Tuberculosis

    Tuberculosis (TB) is a disease caused by bacteria called Mycobacterium tuberculosis, which most commonly affects the lungs, although it can also affect other organs in the body. The bacteria can lie dormant in the body for a long time (even years), until they start causing symptoms such as cough, fever, loss of appetite, and night sweats.

    You should visit your primary care physician within the next 24 hours. The treatment for tuberculosis is an intensive treatment with a combination of four antibiotics, usually isoniazid, rifampicin, pyrazinamide, and ethambutol.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, cough, shortness of breath, rib pain, dry cough
    Urgency:
    In-person visit
  3. 3.Influenza

    Influenza, or Flu, is an infection of the airway caused by the flu virus, which passes through the air and enters the body through the nose or mouth. The symptoms are similar to those of a cold, but the flu is usually more serious.

    If your flu-like symptoms are existing for less than 48 hours, it might be helpful to seek care by telephone or in a walk-in-clinic to get a course of oseltamivir (Tamiflu). Most people will get better on their own by drinking lots of fluids and taking an over-the-counter medication such as acetominophen (Tylenol) to help with aches or fever.

    Rarity:
    Common
    Top Symptoms:
    fatigue, headache, loss of appetite, cough, muscle aches
    Symptoms that never occur with influenza:
    headache resulting from a head injury
    Urgency:
    Phone call or in-person visit
  4. 4.Sarcoidosis

    Sarcoidosis is an inflammatory disease that most often affects the lungs and skin, but can als affect the joints.

    You should visit your physician to discuss your symptoms when convenient.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, headache, shortness of breath, loss of appetite, joint pain
    Urgency:
    Primary care doctor

    Swollen Armpits Checker

    Take a quiz to find out why you’re having swollen armpits.

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  5. 5.Non - Specific Breast Pain

    Breast pain is either related to menstruation (cyclic) or not (noncyclic). It is common in pre-menopausal women and can also be a side effect of contraceptives that contain hormones like the pill, anticonceptive injections and intra-uterine devices.

    Unless the pain is unbearable or there is a lump, a doctor will likely just reassure you that things are okay. Some women are treated with Danazol if the pain is severe or persistent.

    Rarity:
    Common
    Top Symptoms:
    breast pain, breast swelling, armpit pain
    Symptoms that always occur with non-specific breast pain:
    breast pain
    Urgency:
    Primary care doctor
  6. 6.Fungal Esophageal Infection (Candida Esophagitis)

    Candida esophagitis (thrush) is a yeast infection of the mucus membrane lining the mouth and tongue. It can spread to the esophagus, the tube that connects the throat to the stomach. This can cause symptoms like pain when swallowing. Patients with a supressed immune system are more at risk.

    You do should discuss with your primary care physician if treatment with anti-fungal therapy is needed.

    Rarity:
    Rare
    Top Symptoms:
    nausea or vomiting, pain below the ribs, deep chest pain, behind the breast bone, moderate fever, pain with swallowing
    Urgency:
    Primary care doctor
  7. 7.Mononucleosis Infection

    EBV Mononucleosis is a clinical syndrome characterized by fever, sore throat, and swollen lymph nodes.

    You should visit your primary care physician within the next 24 hours. Diagnosis is confirmed by looking for antibodies against EBV. Treatment involves supportive care (hydration, antipyretics, and analgesics, such as acetaminophen and ibuprofen). Aspirin should not be given to children because of the possibility of Reye syndrome. It is also recommended that you do not do any strenuous physical activity and contact sports in the initial 3 to 4 weeks of illness due to the potential for splenic rupture.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, headache, loss of appetite, abdominal pain (stomach ache), cough
    Symptoms that never occur with mononucleosis infection:
    rectal bleeding
    Urgency:
    Primary care doctor
  8. 8.Premenstrual Syndrome

    Premenstrual syndrome (PMS) is a very common condition. PMS has a variety of symptoms including cramping, mood swings, food cravings, fatigue, irritability, breast tenderness & depression.

    You may recognize this diagnosis on your own due to the of the timing of your symptoms. Treatment can involve decreasing caffeine, salt and/or refined sugar, increasing exercise, and reducing stress. If symptoms become more severe, a doctor may prescribe an oral birth control pill or an anti-depressant.

    Rarity:
    Common
    Top Symptoms:
    stomach bloating, anxiety, constipation, breast pain, depressed mood
    Symptoms that never occur with premenstrual syndrome:
    constant sadness, severe sadness
    Urgency:
    Self-treatment

Questions Your Doctor May Ask About Swollen Armpits

  • Q.How long has your armpit been swollen?
  • Q.How swollen is your armpit?
  • Q.Any fever today or during the last week?
  • Q.Do you have a rash?

If you've answered yes to one or more of these questions, check our swollen armpits symptom checker.

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Swollen Armpits Symptom Checker Statistics

  • People who have experienced swollen armpits have also experienced:

    • 5% Neck Pain Along the Lymph Nodes
    • 4% Fatigue
    • 3% Sore Throat
  • People who have experienced swollen armpits had symptoms persist for:

    • 33% Less Than a Week
    • 30% Over a Month
    • 21% Less Than a Day
  • People who have experienced swollen armpits were most often matched with:

    • 7% Cellulitis
    • 2% Tuberculosis
    • 2% Influenza
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

Swollen Armpits Checker

Take a quiz to find out why you’re having swollen armpits.

Take a quiz